diff --git a/requirements.txt b/requirements.txt
index fcd750e..3887751 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Babel==2.7.0
 blinker==1.4
 cffi==1.12.3
 Click==7.0
-cryptography==2.7
+cryptography==3.2
 dominate==2.4.0
 Flask==1.1.1
 Flask-Babel==0.12.2